ATI TEAS Practice Questions

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ATI TEAS■Practice questions and answers TestsAdrenal - Which of the following glands is found on top of the kidneys?-Thyroid- Pituitary-Adrenal- PancreasPrimary consumer - Seaweed -> Snail -> Fish-> DolphinUsing the food chain above, which of the following terms best describe the trophic level of snails?- Producer- Primary consumer- Secondary consumer- Tertiary consumeruse energy of sun or chemicals to fix carbon into organic materials - ProducerHerbivores; obtain carbon and energy from organic materials fixed by producers - Primary consumerCarnivores; obtain carbon and energy from organic materials from primary consumers - SecondaryconsumerKeystone predators; obtain carbon and energy from organic materials from secondary consumers -Tertiary consumer

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Pineal - Which of the following glands produces melatonin, the hormone that regulates sleep?-Thyroid- Hypothalamus- Pituitary- PireaTo transport urineoutof the body - What is the roleof theurethra?-To transport urine out of the body-To transport the eggto the uterus-To connect the kidneys to the bladder-To connect the uterus to the outside ofthebodyDopamine binds to receptor proteins on the membrane of the postsynaptic cell - Which of the followingresults from the release of neurotransmitter dopamine into the nerve synapse?-the presynaptic neuron fires an action potential- Dopamine binds to receptor proteins on the membrane of the postsynaptic ce I- Dopamine enters the cytoplasm ofthepost synaptic cell- Dopamine causes the postsynaptic nerve cell to contractParticles have a large amount of empty space between them - Which of the following explains why gasesare termed "compressible" and liquids are not?- Particles have fixed volume and are able to occupy the containerinwhich they are contained- Partides do not have much empty space between them, thus making them rigid- Partides have a large amount of empty space between them- Partides are held closely together by intermolecular forces

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Potential energy - Which of the following is the form of energy contained in nutrient molecules and inATP's high-energy bonds?- Mechanical energy- Potential energy- Kinetic energy- Radiation energyThe release of insulin from the pancreasinresponse to an increase in blood sugar levels - Which of thefollowing illustrates a negative feedback mechanism that occursinthehumanbody?- The release ofinsulinfrom the pancreas in response to an increase in blood sugar levels- The release of glucagon from the pancreasinresponse toanincreaseinblood sugar levels- The release of oxytocin resultinginuterine contractions as childbirth is underway- Chemical reactionsthatresultincoagulation due to fibrin being releasedTo establish a standard for data comparison - Which of the following is the purpose of using controlgroupsinan investigation?-To establish a standard for data comparison- To provide the correct answer to an investigation- To determine the dependent variables-TO function as a third variable groupCarbon dioxide levels decrease, causinganincrease in blood pH - Which of the following explains whathappens in the circulatory system during hyperventilation?- oxygen levels Increase, causing an increase in blood pH- Oxygen levels decrease, causing a decrease in blood pH- Carbon dioxide evels decrease, causing an increase in blood pH- Carbon dioxide levels increase, causing a decreaseinb ood pH

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Epidermis only - A first degree burn involves which of the following layers of skin?- Epidermis oniy- Epidermis and part of the dermis- Epidermis and all of the dermis- Epidermis, dermis, and some muscle and boneMeat and some plant products, such as legumes - Which of the following food sources provides themajority of the urea that is filtered from the blood via the kidneys?- Meat and some plant products, such as legumes- Fruits, such as pineapple and pear- Lard and various oils, such as vegetable and canola- Grain products, such as breads and pastaAlbumin - Which of the following molecules, if present in urine, indicates a problem with kidneyfunction?-Albumin- Creatinine- Sodium ions- WaterSympathetic - Anxiety about an upcoming final exam causes a student to experience an increase inblood pressure, dilation of the pupils, and a dry mouth. Which of the following nervous systemresponses is responsible for these physical symptoms?- voluntary- sympathetic- limbic

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- cognitive25% - Cystic fibrosis isahomozygous recessive condition. A genetic counselor should advise concernedparents that if each of them has a parent who has cystic fibrosis yet neither of the concerned parents isaffect, the probability of their potential child having cystic fibrosis is-0%-25%-50%-100%Ventilation - Which of these terms specifically means the intake and expulsion of air using the lungs?- inspiration- aeration- ventilation- oxygenation2, 3,1-Steps involved in natural selection include:1. Preservation of genes of best-adapted offspring2. Overproduction of offspring with variationintraits3. Differential survival in the face of environmental challengesWhich ofthefollowing is the sequence in which these steps take place?- 3, 2, 1- 1, 3. 2- 2, 1:3- 2, 3.1

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Tendons - Which of the following connects bones to muscles?- Ligaments-Tendons- Synovium- SutureKeratin - Nails are made of a protein called- collagen- vinculin- keratin- elastinCowper's - Which of the following glands is exclusively found in males?- Adrena- Parathyroid- Cowper's- Pituitary'Estrogen - Which ofthefollowing hormones is producedinthe ovaries?- Estrogen-Vasopressin- Prolactin- OxytocinThe digestive system facilitates absorption of substances into the bloodstream - Which of the followingstatements correctly matches a body system with its function?

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- The digestive system facilitates absorption of substances into the bloodstream- The respiratory system transports oxygenated blood throughout the lungs and body- The excretory system prevents harmful substances from enter the body- The endocrine system transports hormones from place to place within the bodyEquipment and methods developed since the 1930s may produce better data and provide mechanisticdetail - A researcher decides to repeat an experiment and reassess results first established in the 1930sabout why plants grow toward light. Which ofthefollowing isthebest reason for conducting thisexperiment?- plant behavior could have modified due to evolutionary processes since the experiments 'were firstdone- New breeds of plants discovered since the 1930s have not yet been shown to have the same lightresponse- Shiftsinaverage temperatures produced by global warming may affect plantsinways that they are notyet understood- Equipment and methods developed since the 1930s may produce better data and provide mechanisticdetailAmylase - Which of the following enzymes breaks down complex carbohydrates?- Amylase- Pepsin- Lactase- LipaseChloroplast DNA shows dear similarities to cyanobacteriaI DMA - It has been hypothesized thatchloroplasts originated from photosynthetic cyanobacteria that become symbiotic inside a host cell.Which of the following observations provides the strongest evidence for this suggestion?- Microscopically, ch oroplasts appear similar to cyanobacteria- Chloroplast DNA hows clear similarities to cyanobacterial DNA

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